Lyndie Greenwood's travel must-haves

Travel must-have: Helmut Lang dress

"Growing up, I never cared about brands. I would always shop at thrift stores and it was just so normal to go and buy vintage stuff. It was only recently that I realized I like brands like Helmut Lang," says Lyndie Greenwood. Helmut Lang Strech-Silk Mini Dress ($570), at net-a-porter.com. GALLERY: 20 best dressed women of all time

Travel must-have: Wildfox thermal shirt

"I tend to go a little more – I hate this word – but a little more edgy. I like wearing things from Wildfox or Minkpink." Wildfox Rayon and Polyester Thermal Shirt ($96), at wildfox.com. GALLERY: 7 things you need to sleep on a plane